A group of roommates decided to divide the $1,500 cost of renting an apartment equally among themselves . When one of the roommates moved out, those still remaining equally divided the $1,500 cost equally , but each roommate's share of the rent increased by $ 50 . How many roommates were in the apartment initially ?

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99

the solution is x=1

step-by-step explanation:

we are given our   equation as

let's assume

left side function is

right side function is

now, we can draw graph

and then we can get intersection point

the intersection point will be solution

so, the solution is

x=1